HP Pascal/HP-UX Release Notes Version A.10.08

20 Chapter 1
New and Changed Features
Optimization Parameters
pc +O3 +Oconservative prog.p
Note that the +Oaggressive and +Oconservative parameters are
incompatible and cannot be used on the same command line.
Obsolete Optimizer Options
The following optimizer options are no longer supported by the HP
Pascal/HP-UX compiler:
+Obb (replaced by +Onosize)
+Os (replaced by +Onopipeline)
$OPTIMIZE 'BASIC_BLOCKS num'$
$OPTIMIZE 'BASIC_BLOCK_FENCE num'$
If you use these options, the compiler issues a warning stating that the
options are unrecognized.